1241001240 has 64 divisors (see below), whose sum is σ = 3725589600. Its totient is φ = 330703872.

The previous prime is 1241001239. The next prime is 1241001257. The reversal of 1241001240 is 421001421.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236566 + ... + 241754.

Almost surely, 2^1241001240 is an apocalyptic number.

1241001240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241001240 is an abundant number, since it is smaller than the sum of its proper divisors (2484588360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1241001240 is a wasteful number, since it uses less digits than its factorization.

1241001240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7196 (or 7192 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1241001240 is about 35227.8475073343. The cubic root of 1241001240 is about 1074.6261515970.

Adding to 1241001240 its reverse (421001421), we get a palindrome (1662002661).

The spelling of 1241001240 in words is "one billion, two hundred forty-one million, one thousand, two hundred forty".